Support for loom picking spindles



March 27,1928. I 1,663,918

C. PARENT SUPPORT FQR LOOM PICKING SPINDLES Filed Dec. 1926 w bra/liar 7y 4 CW7 Eff/7Z WWW Patented Mar. 27, 1928.

, UNITED STATES PATENT Y OFFICE. f

CYRILL PARENT, OF ANDOVER, MASSACHUSETTS, ASSIGNOR TO CROMPTON & KIN'OWLE S HUS ETTS, A CORPORATION OF MASSACHU- V 1100M WORKS, OF WORCESTER, MASSAG SETTS.

SUPPORT FOR. LOOM PICKING SPINDLES.

Application filed December 18, 1926. Serial No. 155,742.

This invention relates to improvements in loom pickingspindles and supporting means therefor and it is the principal object of the invention to provide means for securing the inner end of the picking spindle in delinite relation with respect to the reed and i the path along which the shuttle moves.

In certain types of picking motions the shuttle is engaged by a picker which slides along-a spindle mounted usually behind the shuttle box, the picker stick moving the picker along thespindle and the latter guiding the picker independently of, the lateral movements of the picker stick. Such constructions are common on box looms and may also be used on the plain end of automatic looms. It is highly desirable to keep the axis of the spindle parallel to the path followed by the shuttle and it is accordingly an important object of my invention'to provide a clamping means for the inner end of the spindle to hold the lattertightl-y and prevent the same from working loose during the normal running of the loom.

The inner ends of spindles have hereto-- fore been made conical to assist in centering them in the pocket provided in the lay. This construction involves'an extra operation in Y claims.

the preparation of the spindle and also permit-s the spindle to get out of proper alignment due to the fact that the axis of the cone may not coincide with the axis of the spindle. vention to provide a mounting for-the spindle rendering unnecessary the conical tip.

More specifically it is an object of myin-. vention to provide a clamp having'resilient members which can be forced againstthe inner end of the spindle by vmeans of incline'd surfaces, some part of'the mechanism being formed as a wedge so that movement of the support in the direction of the axis of the spindle will move the. resilient members tightly against saidspindle to hold it firmly in place.

With these and otherobjects which will appear as the description proceeds, my invention relates to the arrangements; and

combinations of parts hereinafter se t forth, and more particularly pointed out in the In the accompanying drawings, wherein two forms of the inventlon'are shown,

It is a further object of my'in-- Fig. 2 is a rear elevation takenin the direction of arrow 2 of Fig. 1,

Fig. 3 is anenlarged vertical section on line 33'of Fig. 1, parts being broken away for the sake of clearness, I

Fig. t is an enlarged vertical transverse section on line of Fig. 3, and

Fig. 5 is a detail fragmental vertica lsec- 'tionsimilar to a v portion of Fig. 3 but showing a modified form of the invention.

Referring'to the drawings the lay 10 has a lay end llsecured'thereto and maybe supported by swords oneof which is indicated at 12 in Fig. 2 and box guides 13 receive the tongues 14 of shuttle boxes 15.

Said boxes accommodate shuttles S and may i be raised and loweredby mechanism-not shown, but well understood, so that one or the other of theshuttles willbe active each pick of the loom.

The spindle I6 is supported on the outer;

end by ablock 17 bolted or secured in any other manner to the lay end and said spin dle is held in adjusted longitudinal position a by set screw 18. A picker 19 is moved along the spindle by picker stick- 20 and is'provided with a shuttle-engaging portion 21 which extends through a slot 22* formed-in" the lay end and also through the back wall of-th'e boxes. lVhen the loom is onso-call ed top center the pickerst-ick 20 is given an inward movement to the right from 'posi'- tion shown in Figs. 1 and 2, and the picker 19 moves the active shuttle and is also guid ed on the spindle 16. Y

My'i-mprovement relates more particularly'to" the spindle and the device for holding the same and in carrying out my invention I make use of" the lug 30 which is usually present in looms ofthe typehaving a picker spindle. In the preferred form of my invention, shown particularly in Fig. 3, I pro vidcs'aid lug with a cylindrical bore 31 and fit in the same the solid cylindrical-shank 32" of a clamping member designated generally at 33. The inner end of said member may be reduced and threaded as at 34 to receive a locking nut 35. The outer or left hand end of the clamp'is provided with a cylin drical bore 36 which receives the inner end of the spindle16, the spindlei'n this instance having a square end and not being provided with the usual taper.

As shown in Figs. 3 and 4 the left end of the clamp is provided with a conical outer surface 37 and said end is further provided with a plurality of transverse slots 38 which divide the conicalend into a plurality of I resilient clamping members 39. A collar 40 surrounds the inclined part of the clamping member and has a conical bore 41 to fit the conical surface 37. Said collar has close engagement with the left hand vertical wall of the lug as shown clearly in Fig. 3.

In assembling the preferred form of the invention the shank of the clamping member will be inserted through the collar and into the bore 31 of the lug 30, after which the inner end of the spindle will beinserted :in the split portion of the clamp. The nut 35 will then be threaded on end 34 and tightened to draw the conical end 37 to the right along the inner conical face ll of the collar; This movement clamps the resilient portions 39 tightly against the spindle and holds the latter infplace.

When it is desired to loosen the spindlethe nut 35 may be loosened and the members 39 will spring awayfrom and release the inner endiof the spindle;

The modified form ofthe invention shown in Fig. 5 operates on the same principle asdoes. the preferred form, but the collar is eliminated; The lug30, instead of having a cylindrical bore as illustrated in Fig. 3, has

a bore a portion of which is cylindrical as indicatedat and a portion of which is conical as indicated at-51, Fig. 5. The clamping member 52 has resilient separated members 53 which correspond to the members 39 of the preferred form, and a thread-,

edshank 54: extending from. themodified clamp is provided with a nut 55. In this vformed conically throughout its length.

vFrom the foregoing it will be seen that the clamp acts to holdthe spindle tightly in proper position with respect to the lay. It will further be seen that the spindle may be made with a square end, thus avoiding the expense of providing the same with a conical tip. c

Having thus described my invention it will be apparent that changes and modifications may be made therein by those skilled in the art without departing from the spirit and scope of the invention, and I do not wish to be limited'to the details herein d1s-' closed but what I claim is:

1. In a picker spindle mounting for loo lays, means to support the outer end of the spindle, a, clamp for. the inner end of the spindle having a bore to receive the inner end of the spindle and said clamp having a plurality of clamping members integral therewith and capable of slight movement relatively tothe clamp, means forming an inclined surface on the clamp, means relatively stationary with respect to the lay presenting other inclined surfaces to correspond with and lying in contact with the first named inclined surfaces, and means to produce relative movement between the mclmed surfacesto cause the clamping members to have tight engagement with the spindle.

2. In a picker spindle mounting for loom lays, means carriedvby the lay t0 supportthe outer end of the spindle, a clamping member supported by the lay for the inner end of the j spindle and having a pocket into which, the spindle projects, said lay and clamp having cooperating inclined surfaces andjsaid clamp having resilient portions adjacent its inclined surface to engage the spindle, and I means to produce relative movement of the surfaces, whereby said resilient portions of the clamping member will be forced tightly against the'spindle 3. In a picker splndle mounting for loom lays, means to support the outer end of the spindle, a clamping support for the inner end of the spindle, said support having V a bore to receive the inner end of the spindle and said support being split so as to provide a plurality of integral members surrounding the innerend of the spindle, and means defining inclined surface on the clamping support and 'lay to force said membersv against the spindle as the clamping member is moved in a direction longitudinally of the spindle. 7 1 1 4. In a picker spindle mounting forloom lays, means carried by the lay to support the outer end of the spindle, a clamping member for the inner end of the spindle having a bore of variable diameter to receive the inner end of said spindle, cooperating conical surfaces formed on the clamp and the lay, and means to produce relative movement between said conical surfaces to cause a variation in the diameter of the bore, whereby said spindle will be clamped tightly or released, depending upon the of said relative movement.

5. In a picker spindle mountingforloomo lays, means to support theouter end of the spindle, a clamping member for the inner end of the spindle having compressible elements surrounding a bore to receive said spindle, means defining surfaces on the clamping member inclined with respect to,

direction spindle relatively to the lay, a clamping member mounted on the lay for the inner end of the spindle, said clamping member having a cylindrical bore to receive the end of the spindle, portions of the clamping member adjacent the bore being split to pro- I vide a plurality of integral resilient elements, inclined surfaces formed on the outer sides of the elements, means fixed relatively to the layand having interior inclined surfaces to receive the inclined outer surfaces of said elements, and means to cause relative movement between said elements and in clined interior surfaces in the direction of the length of the spindle to cause said elements to be clamped tightly against thespindle.

7. A picker spindle clamp for a loom lay having inclined surfaces normally fixed relatively thereto, said clamp having inclined surfaces to co-act with the inclined surfaces of the lay and having slightly yieldable spaced members integral therewith defining a bore for one end of the spindle said inclined surfaces of the clamp to cooperate with those of the lay to cause the yieldablyv spaced members to grip the spindle.

8. A picker spindle clamp for a loom lay havinginclined surfaces, said clamp having a bore for one end of the spindle surrounded by a plurality of spaced slightly yieldable members integral with said clamp the outer surfaces of which are inclined to engage the inclined surfaces of the lay.

9. In a picker spindle mounting for a I loom having a lay, a support for the outer end of the spindle, means defining inclined surfaces normally fixed relatively to the lay, a clamp for the inner end of the spindle having spaced yieldable members integral therewith and said clamp having inclined surfaces to cooperate with the inclined surfaces normally fixed relatively to the lay, and means engaging a portion of the lay and cooperating with the clamp to draw the inclined surfaces of the clamp along the inclined surfaces normally fixed relatively to the lay to force the members against the inner end ofthe spindle, said means holding the inner end of the spindle and clamp fixed relatively to the lay independently of the support for the outer end of the spindle.

10. In a picker spindle support for the lay I V of a loom, means fixed relatively to the lay and defining inclined surfaces, and a clamp having yieldable spaced clamping members for one end of the spindle, said clamping members vhaving inclined surfaces c0-operating with the inclined surfaces fixed relatively to the layjand said inclined surfaces I co-acting when the spindle is moved toward the clamping members to cause said spaced clamping members to grip the spindle In testimony whereof I have hereunto affixed my signature.

CYRILL PARENT. 

